<?xml version="1.0" encoding="UTF-8"?>
<!--
create table test_stat(a bigint, b integer, c varchar(1) ) distributed by (a);
insert into test_stat select id, mod(id,100),'J' from generate_series(1,1000000) id;
insert into test_stat select id, mod(id,100), null from generate_series(1,1000000) id;
analyze test_stat;
explain select * from test_stat where c <> 'J' or c is null;
-->
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